{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the issues related to blockchain security?","a":"Data Security: Although blockchain technology itself has high security, the data storage and transmission on the blockchain can  still be attacked. For example, hackers may steal user data through phishing attacks, cross-site scripting attacks (XSS), and other means."}]}],"pr":"446a44cb2d7b020f72f9757d170c99f4989e8c068e8372a3534780ec353d7918"}